Scheduled MonumentsWalesClyne Valley Shaft Mounds
Post Medieval/Modern · Coal Mine

Clyne Valley Shaft Mounds

Wales
Cadw SAM GM455
Period
Post Medieval/Modern
Site type
Coal Mine
Broad class
Industrial
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Clyne Valley Shaft Mounds is a Post-Medieval and Modern industrial monument comprising the surface remains of coal mining activity in the Swansea Valley area of Wales. The site consists of the characteristic spoil heaps and shaft mounds that accumulated from underground coal extraction operations, which reflect the intensive mineral working that characterised the region during the nineteenth and early twentieth centuries. These earthwork features represent the physical legacy of the coal industry that transformed the South Wales landscape and economy during the Industrial Revolution and its aftermath. The monument is protected as a scheduled ancient monument under the Cadw system, acknowledging its archaeological and historical significance as evidence of Wales's industrial heritage.

Clyne Valley Shaft Mounds is a scheduled monument protected by Cadw under reference GM455. View the official record →

About this monument

Questions & answers

What is Clyne Valley Shaft Mounds?

Clyne Valley Shaft Mounds is a Post-Medieval and Modern industrial monument comprising the surface remains of coal mining activity in the Swansea Valley area of Wales. It is designated a Scheduled Ancient Monument by Cadw under reference GM455.

What period does Clyne Valley Shaft Mounds date from?

Clyne Valley Shaft Mounds dates from the post medieval/modern period, and is classified as a coal mine. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Clyne Valley Shaft Mounds?

Clyne Valley Shaft Mounds is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is GM455.

What other scheduled monuments are near Clyne Valley Shaft Mounds?

Several scheduled monuments lie within 10 km, including Ynys Pit & Leat (0.4 km), Clyne Wood Colliery Steam Winding Machine (0.6 km), Clyne Wood Coal Level (0.7 km).

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